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- var cc = require('./lib/utils')
- var join = require('path').join
- var deepExtend = require('deep-extend')
- var etc = '/etc'
- var win = process.platform === "win32"
- var home = win
- ? process.env.USERPROFILE
- : process.env.HOME
-
- module.exports = function (name, defaults, argv, parse) {
- if('string' !== typeof name)
- throw new Error('rc(name): name *must* be string')
- if(!argv)
- argv = require('minimist')(process.argv.slice(2))
- defaults = (
- 'string' === typeof defaults
- ? cc.json(defaults) : defaults
- ) || {}
-
- parse = parse || cc.parse
-
- var env = cc.env(name + '_')
-
- var configs = [defaults]
- var configFiles = []
- function addConfigFile (file) {
- if (configFiles.indexOf(file) >= 0) return
- var fileConfig = cc.file(file)
- if (fileConfig) {
- configs.push(parse(fileConfig))
- configFiles.push(file)
- }
- }
-
- // which files do we look at?
- if (!win)
- [join(etc, name, 'config'),
- join(etc, name + 'rc')].forEach(addConfigFile)
- if (home)
- [join(home, '.config', name, 'config'),
- join(home, '.config', name),
- join(home, '.' + name, 'config'),
- join(home, '.' + name + 'rc')].forEach(addConfigFile)
- addConfigFile(cc.find('.'+name+'rc'))
- if (env.config) addConfigFile(env.config)
- if (argv.config) addConfigFile(argv.config)
-
- return deepExtend.apply(null, configs.concat([
- env,
- argv,
- configFiles.length ? {configs: configFiles, config: configFiles[configFiles.length - 1]} : undefined,
- ]))
- }
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